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Old 04-15-2014, 07:51 AM   #1
skirush
 
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Interior fan making weird noise at low fan speed

I'm guessing the "wonderful" mods are going to give me another warning for posting this here, but I have no idea where else to pose the question.

My interior fan is making a weird noise at low speeds (say speeds 2 and 3). If it's turned up higher than that, the blower on the fan is blowing out the air fast enough that I don't hear the sound or it goes away. However, at low speeds the sound it makes is kind of similar to a cricket chirping. It's hard to explain the sound, but that's the closest thing I can think of. As you can imagine, it's kind of annoying.

Does anyone think they know what might be causing this sound? Has anyone else experienced this? My car is still under warranty (for 5000 more miles) so I can bring it in. But, I was just wondering your thoughts before I bring it in, so I can have a better idea. Plus, I'm guessing they are going to tell me "I have no idea".

Thanks,
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Old 04-15-2014, 07:56 AM   #2
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Same thing is happening to me. Whenever I use climate control, I hear a ticking noise coming from what sounds like the glove compartment...the lower the speed, the slower the noise...I have read up on it and 9 times outta 10 the issue was something got in the vent and needs to be "flushed out"
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Old 04-15-2014, 07:57 AM   #3
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I've had this on two of my GM cars. My Camaro, and a Cobalt I owned before it. It can be fixed by cleaning out the crap from around the squirrel cage, OR replacing the blower depending on why it's doing it.

When they replace the blower in my Cobalt, it came back after about a year. I'm really annoyed with it, to be honest. I don't feel like I should be throwing blow motors at a relatively new car every year.
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Old 04-15-2014, 07:59 AM   #4
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Quote:
Originally Posted by stevey_frac View Post
I've had this on two of my GM cars. My Camaro, and a Cobalt I owned before it. It can be fixed by cleaning out the crap from around the squirrel cage, OR replacing the blower depending on why it's doing it.

When they replace the blower in my Cobalt, it came back after about a year. I'm really annoyed with it, to be honest. I don't feel like I should be throwing blow motors at a relatively new car every year.
By squirrel cage, do you mean the vent located on the top of the engine compartment near the back of the engine? What if that's already clean?
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Old 04-15-2014, 08:01 AM   #5
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Quote:
Originally Posted by skirush View Post
I'm guessing the "wonderful" mods are going to give me another warning for posting this here, but I have no idea where else to pose the question.

My interior fan is making a weird noise at low speeds (say speeds 2 and 3). If it's turned up higher than that, the blower on the fan is blowing out the air fast enough that I don't hear the sound or it goes away. However, at low speeds the sound it makes is kind of similar to a cricket chirping. It's hard to explain the sound, but that's the closest thing I can think of. As you can imagine, it's kind of annoying.

Does anyone think they know what might be causing this sound? Has anyone else experienced this? My car is still under warranty (for 5000 more miles) so I can bring it in. But, I was just wondering your thoughts before I bring it in, so I can have a better idea. Plus, I'm guessing they are going to tell me "I have no idea".

Thanks,
I've had the EXACT same thing for the past 2 years on and off! Sounds like chirping / birds at low speeds it's very annoying.

I took it in and they said that it's fine, it happens after a while to the system. As others suggested above, cleaning the crap would remove it but it comes back after a while. Really sucks :/
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Old 04-15-2014, 08:06 AM   #6
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Quote:
Originally Posted by skirush View Post
By squirrel cage, do you mean the vent located on the top of the engine compartment near the back of the engine? What if that's already clean?
I'm probably not using the right terminology. It looks like this:



It's the fan, basically. If you suck crap into there, or stuff falls down vents or... I have no idea how crap gets in there, but it seems to. Cleaning out around it can help.
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Old 04-15-2014, 08:06 AM   #7
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Not trying to be a smarty but Camaro problems/issues/and warranty forums would have been the proper forum. It's good for future reference that the moderators sort out posts and move them to the respective location. Otherwise ,a chirping or cricket sound you describe could even be a fan motor bearing. I'd have to hear it for myself though. Air flow passing through a partially open damper can make weird sounds too.
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Old 04-15-2014, 08:07 AM   #8
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And if it's already clean, replacing the whole blower assembly tends to work. For a while.
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Old 04-15-2014, 08:28 AM   #9
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I'm having the same problem and i have no idea what it is. =/
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Old 04-15-2014, 08:42 AM   #10
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This has been discussed many times before
Check out these links
http://www.camaro5.com/forums/showthread.php?t=204053
http://www.camaro5.com/forums/showthread.php?t=103153
http://www.camaro5.com/forums/showthread.php?t=67723
http://www.camaro5.com/forums/showthread.php?p=7324396
http://www.camaro5.com/forums/showthread.php?p=7452868
http://www.camaro5.com/forums/showthread.php?t=209401

Seems like this has been happening since 2010, You would think by now they would have fixed this. BTW, my 13 does it too, but amazingly not when it was at the dealer.
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Old 04-15-2014, 08:43 AM   #11
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Had the same issue with my Chevy truck, used a shop vac and the best I could ran it back and forth on the defroster vents a few times, whatever was in their came out. i agree not sure what it is that get's in there but something does, as I don't put anything on my dash. might try this before you replace a blower motor.
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Old 04-15-2014, 08:48 AM   #12
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Mine actually went away over time. Since new it was chirping occasionally. The past year+ not a peep.
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Old 04-15-2014, 09:13 AM   #13
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mine does the chirping only in the mornings, and only if outside temp is under 40... for now...
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Old 04-15-2014, 10:02 AM   #14
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happened to me i got it fixed at the end of last year and im starting to hear it again. it is very annoying
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Old 04-15-2014, 11:28 AM   #15
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I have the same problem and Tom Henry is ordering me a new blower fan. Should have it installed later this week.

It would appear when the fan speed is <4, and as the car runs longer it will continue to get louder and louder. Its so annoying I had to shut it off.
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Old 04-15-2014, 01:57 PM   #16
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Mine does the same thing, haven't taken it in yet
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Old 04-15-2014, 02:06 PM   #17
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Mine was replaced under warranty the first time. It's doing it again now, but I'm out of the warranty period. Getting a can of spray-on dry lubricant is on my to-do list based on my previous encounters with the problem.
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Old 04-15-2014, 02:13 PM   #18
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Originally Posted by Dexman1349 View Post
Mine was replaced under warranty the first time. It's doing it again now, but I'm out of the warranty period. Getting a can of spray-on dry lubricant is on my to-do list based on my previous encounters with the problem.
Its a poor design on GM's part. My 23 yr old accord never had an issue with the blower fan. Hell, come to think of it, none of the cars I've ever owned, or driven have had a blower fan issue.

Camaro...has 8K miles.

I am going to be really sad if it breaks again, because I am at year 2 of my warranty.
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Old 04-15-2014, 03:20 PM   #19
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Yep. Many of us have the problem and of course it's never repeatable at the dealer. Mine comes and goes. Seems to be at its worst when it's really hot out and the AC is running. Going to try cleaning out the area behind the cabin filter.
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Old 04-15-2014, 03:30 PM   #20
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Quote:
Originally Posted by skirush View Post
I'm guessing the "wonderful" mods are going to give me another warning for posting this here, but I have no idea where else to pose the question.

My interior fan is making a weird noise at low speeds (say speeds 2 and 3). If it's turned up higher than that, the blower on the fan is blowing out the air fast enough that I don't hear the sound or it goes away. However, at low speeds the sound it makes is kind of similar to a cricket chirping. It's hard to explain the sound, but that's the closest thing I can think of. As you can imagine, it's kind of annoying.

Does anyone think they know what might be causing this sound? Has anyone else experienced this? My car is still under warranty (for 5000 more miles) so I can bring it in. But, I was just wondering your thoughts before I bring it in, so I can have a better idea. Plus, I'm guessing they are going to tell me "I have no idea".

Thanks,
I realize how displeasing it can be when faced with a fan noise concern like this skirush, and though you're seeking thoughts and opinions, I would be happy to communicate this situation with the designated Customer Experience Manager at your preferred dealer once you seek service. Feel free to message us privately if you'd like to proceed, or discuss this situation further.

Kindly,

William R.
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Old 04-15-2014, 04:19 PM   #21
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It seems to be common... All 3 of my Camaro's have done it.
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Old 04-15-2014, 04:51 PM   #22
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My 2011 SS does it too....but with my new muffler delete, it's not as noticeable:-)
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Old 04-15-2014, 05:01 PM   #23
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My 2012 SS did it as well. Was replaced under warranty. But I hate that they have to cut the original one out... that its not a bolt on/off part.
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Old 04-15-2014, 05:55 PM   #24
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most electrical motors are sealed units meaning there is no zirc to grease the fan especially on smaller motors, and being our fan motors are so small they are most likely more susceptible to making noise... I had old chevies that had original fan motors last forever or thirty -40 years without a hint of noise til they were ready to croak.... you could try a penetrating oil to the motors bearing where the shaft comes out if that helps..... though I am sure they are not as easily accessible as just popping the hood to look at the firewall.........
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Old 04-16-2014, 03:28 PM   #25
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My v6 and my v8 both have this issue.. comes out after about 6 months of ownership. I guess its the quality of the blower fans that GM use. Cheap fans.
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